LJM Blikman, J van Meeteren et al. Figure 1. Trial profile. Centres: 1Rijndam Rehabilitation at Erasmus MC Rotterdam; 2Libra Rehabilitation Medicine & Audiology, location Leijpark at Tilburg. The number of drop-outs is cumulative. journals.sagepub.com/home/msj 1531https://journals.sagepub.com/home/msj